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-rw-r--r--libc/stdlib/srand48_r.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/stdlib/srand48_r.c b/libc/stdlib/srand48_r.c
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+++ b/libc/stdlib/srand48_r.c
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+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu <mailto:drepper@gnu.ai.mit.edu>>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdlib.h>
+#include <limits.h>
+
+int srand48_r (seedval, buffer)
+ long int seedval;
+ struct drand48_data *buffer;
+{
+ /* The standards say we only have 32 bits. */
+ if (sizeof (long int) > 4)
+ seedval &= 0xffffffffl;
+
+ buffer->__x[2] = seedval >> 16;
+ buffer->__x[1] = seedval & 0xffffl;
+ buffer->__x[0] = 0x330e;
+
+ buffer->__a = 0x5deece66dull;
+ buffer->__c = 0xb;
+ buffer->__init = 1;
+
+ return 0;
+}